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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * smartclient.com/license.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Img;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.tab.TabSet;
import com.smartgwt.client.widgets.tab.Tab;
import com.smartgwt.client.types.Side;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.PanelFactory;

public class TabsCloseableSample extends ShowcasePanel {

    public static class Factory implements PanelFactory {
        private String id;
        public Canvas create() {
            TabsCloseableSample panel = new TabsCloseableSample();
            id = panel.getID();
            return panel;
        }

        public String getID() {
            return id;
        }
    }

    public Canvas getViewPanel() {

        final TabSet topTabSet = new TabSet();
        topTabSet.setTabBarPosition(Side.TOP);
        topTabSet.setTabBarAlign(Side.LEFT);
        topTabSet.setWidth(400);
        topTabSet.setHeight(200);

        Tab tTab1 = new Tab("Blue", "pieces/16/pawn_blue.png");
        tTab1.setCanClose(true);
        Img tImg1 = new Img("pieces/48/pawn_blue.png", 48, 48);
        tTab1.setPane(tImg1);

        Tab tTab2 = new Tab("Green", "pieces/16/pawn_green.png");
        Img tImg2 = new Img("pieces/48/pawn_green.png", 48, 48);
        tTab2.setPane(tImg2);

        topTabSet.addTab(tTab1);
        topTabSet.addTab(tTab2);

        HLayout buttons = new HLayout();
        buttons.setMembersMargin(15);

        IButton addButton = new IButton("Add Tab");
        addButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                String title = topTabSet.getTabs().length % 2 == 0 ? "Yellow" : "Green";
                String iconType = topTabSet.getTabs().length % 2 == 0 ? "pawn" : "cube";
                Tab tTab = new Tab(title, "pieces/16/" + iconType + "_" + title.toLowerCase() + ".png");
                tTab.setCanClose(true);
                Img tImg = new Img("pieces/48/" + iconType + "_" + title.toLowerCase() + ".png", 48, 48);
                tTab.setPane(tImg);
                topTabSet.addTab(tTab);
            }
        });

        IButton removeButton = new IButton("Remove Tab");
        removeButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                topTabSet.removeTab(topTabSet.getTabs().length - 1);
            }
        });

        buttons.addMember(addButton);
        buttons.addMember(removeButton);

        VLayout vLayout = new VLayout();
        vLayout.setMembersMargin(15);
        vLayout.addMember(topTabSet);
        vLayout.addMember(buttons);
        vLayout.setHeight("auto");
        
        return vLayout;
    }


    public String getIntro() {
        return "Click on the red close icons to close tabs. Tabbed views can have any mixture of closeable and permanent tabs.";
    }

    public String getSourceUrl() {
        return "source/tabs/TabsCloseableSample.java.html";
    }
}
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